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CVE-2015-8956

6.1 · MEDIUM

The rfcomm_sock_bind function in net/bluetooth/rfcomm/sock.c in the Linux kernel before 4.2 allows local users to obtain sensitive information or cause a denial of service (NULL pointer dereference…

Published Oct 10, 2016CWE-476EPSS 0.22%

Overview

CVE-2015-8956 is a medium-severity vulnerability. It was published on October 10, 2016 and has a CVSS 3.0 base score of 6.1 (MEDIUM).

This vulnerability has a CVSS 3.0 base score of 6.1, rated MEDIUM. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.

Technical description

The rfcomm_sock_bind function in net/bluetooth/rfcomm/sock.c in the Linux kernel before 4.2 allows local users to obtain sensitive information or cause a denial of service (NULL pointer dereference) via vectors involving a bind system call on a Bluetooth RFCOMM socket.

Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

References

Refgit.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=951b6a0717db97ce420547222647bcc40bf1eacdRefrhn.redhat.com/errata/RHSA-2016-2574.htmlRefrhn.redhat.com/errata/RHSA-2016-2584.htmlRefsource.android.com/security/bulletin/2016-10-01.htmlRefwww.securityfocus.com/bid/93326GitHubgithub.com/torvalds/linux/commit/951b6a0717db97ce420547222647bcc40bf1eacdRefgit.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=951b6a0717db97ce420547222647bcc40bf1eacdRefrhn.redhat.com/errata/RHSA-2016-2574.htmlRefrhn.redhat.com/errata/RHSA-2016-2584.htmlRefsource.android.com/security/bulletin/2016-10-01.html

How CyberStrike helps

Frequently asked questions

What is CVE-2015-8956?

CVE-2015-8956 is a medium-severity vulnerability. It was published on October 10, 2016 and has a CVSS 3.0 base score of 6.1 (MEDIUM).

How severe is CVE-2015-8956?

This vulnerability has a CVSS 3.0 base score of 6.1, rated MEDIUM. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.

How do I fix or remediate CVE-2015-8956?

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2015-8956?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2015-8956 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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